This is an automated email from the ASF dual-hosted git repository.

tison pushed a commit to branch bb8-to-fastpool
in repository https://gitbox.apache.org/repos/asf/opendal.git

commit 052cb4cca1cf49a0577dcfbba3c641fe6637a704
Author: tison <[email protected]>
AuthorDate: Tue Nov 25 19:58:07 2025 +0800

    run format
    
    Signed-off-by: tison <[email protected]>
---
 core/benches/vs_fs/src/main.rs               |  11 +-
 core/src/blocking/operator.rs                |   8 +-
 core/src/blocking/write/writer.rs            |   2 +-
 core/src/docs/concepts.rs                    |   4 +-
 core/src/layers/http_client.rs               |  12 ++-
 core/src/layers/retry.rs                     |  28 ++---
 core/src/layers/tail_cut.rs                  |  13 ++-
 core/src/lib.rs                              |  10 +-
 core/src/raw/azure.rs                        |  14 +--
 core/src/raw/http_util/bytes_range.rs        |  22 ++--
 core/src/raw/ops.rs                          |   5 +-
 core/src/raw/path.rs                         |   4 +-
 core/src/raw/serde_util.rs                   |  58 +++++-----
 core/src/raw/time.rs                         |  14 ++-
 core/src/services/aliyun_drive/lister.rs     |   3 +-
 core/src/services/azblob/core.rs             |   9 +-
 core/src/services/azblob/error.rs            |  11 +-
 core/src/services/azdls/backend.rs           |   3 +-
 core/src/services/azdls/config.rs            |   8 +-
 core/src/services/azdls/error.rs             |  11 +-
 core/src/services/azdls/lister.rs            |  19 ++--
 core/src/services/azfile/backend.rs          |   3 +-
 core/src/services/azfile/config.rs           |   8 +-
 core/src/services/azfile/error.rs            |  11 +-
 core/src/services/b2/config.rs               |   8 +-
 core/src/services/cacache/deleter.rs         |   3 +-
 core/src/services/cacache/writer.rs          |   3 +-
 core/src/services/cloudflare_kv/core.rs      |   8 +-
 core/src/services/cloudflare_kv/lister.rs    |   3 +-
 core/src/services/cloudflare_kv/model.rs     |   3 +-
 core/src/services/cloudflare_kv/writer.rs    |   3 +-
 core/src/services/compfs/core.rs             |   4 +-
 core/src/services/cos/core.rs                |   7 +-
 core/src/services/dashmap/deleter.rs         |   4 +-
 core/src/services/dashmap/lister.rs          |   9 +-
 core/src/services/dashmap/writer.rs          |  15 ++-
 core/src/services/dropbox/writer.rs          |   3 +-
 core/src/services/etcd/core.rs               |  26 ++---
 core/src/services/etcd/error.rs              |   3 +-
 core/src/services/etcd/lister.rs             |   4 +-
 core/src/services/ftp/backend.rs             |  11 +-
 core/src/services/ftp/core.rs                |   9 +-
 core/src/services/ghac/config.rs             |   8 +-
 core/src/services/http/config.rs             |  11 +-
 core/src/services/huggingface/config.rs      |   8 +-
 core/src/services/huggingface/core.rs        |  11 +-
 core/src/services/ipmfs/builder.rs           |   2 +-
 core/src/services/lakefs/config.rs           |   8 +-
 core/src/services/lakefs/lister.rs           |   3 +-
 core/src/services/memcached/core.rs          |   5 +-
 core/src/services/mini_moka/config.rs        |   8 +-
 core/src/services/mini_moka/writer.rs        |   6 +-
 core/src/services/moka/backend.rs            |   6 +-
 core/src/services/moka/mod.rs                |   3 +-
 core/src/services/moka/writer.rs             |   3 +-
 core/src/services/obs/core.rs                |   7 +-
 core/src/services/opfs/core.rs               |   5 +-
 core/src/services/opfs/error.rs              |   3 +-
 core/src/services/opfs/utils.rs              |  11 +-
 core/src/services/oss/core.rs                |  43 ++++----
 core/src/services/pcloud/config.rs           |   8 +-
 core/src/services/redis/core.rs              |   7 +-
 core/src/services/s3/core.rs                 | 153 ++++++++++++---------------
 core/src/services/sftp/config.rs             |  13 +--
 core/src/services/sftp/core.rs               |  43 ++++----
 core/src/services/sqlite/backend.rs          |   3 +-
 core/src/services/sqlite/core.rs             |   3 +-
 core/src/services/sqlite/deleter.rs          |   4 +-
 core/src/services/sqlite/writer.rs           |   4 +-
 core/src/services/swift/config.rs            |   8 +-
 core/src/services/swift/core.rs              |  39 +++----
 core/src/services/vercel_artifacts/config.rs |   8 +-
 core/src/services/vercel_blob/deleter.rs     |   3 +-
 core/src/services/webdav/config.rs           |  19 ++--
 core/src/services/yandex_disk/config.rs      |   8 +-
 core/src/types/buffer.rs                     |  18 ++--
 core/src/types/builder.rs                    |   8 +-
 core/src/types/delete/deleter.rs             |   2 +-
 core/src/types/metadata.rs                   |   3 +-
 core/src/types/operator/builder.rs           |  18 ++--
 core/src/types/operator/mod.rs               |   7 +-
 core/src/types/operator/operator.rs          |  17 +--
 core/src/types/operator/operator_futures.rs  |   3 +-
 core/src/types/operator/registry.rs          |  14 ++-
 core/src/types/operator/uri.rs               |  12 ++-
 core/src/types/options.rs                    |   4 +-
 rustfmt.toml                                 |   1 -
 87 files changed, 504 insertions(+), 494 deletions(-)

diff --git a/core/benches/vs_fs/src/main.rs b/core/benches/vs_fs/src/main.rs
index 22e13d9e7..1f471663b 100644
--- a/core/benches/vs_fs/src/main.rs
+++ b/core/benches/vs_fs/src/main.rs
@@ -56,13 +56,10 @@ fn bench_vs_fs(c: &mut Criterion) {
         let path = prepare();
         b.iter(|| {
             let _ = op
-                .read_options(
-                    &path,
-                    options::ReadOptions {
-                        range: (0..16 * 1024 * 1024).into(),
-                        ..Default::default()
-                    },
-                )
+                .read_options(&path, options::ReadOptions {
+                    range: (0..16 * 1024 * 1024).into(),
+                    ..Default::default()
+                })
                 .unwrap();
         });
     });
diff --git a/core/src/blocking/operator.rs b/core/src/blocking/operator.rs
index 037b65a19..a596c1248 100644
--- a/core/src/blocking/operator.rs
+++ b/core/src/blocking/operator.rs
@@ -199,9 +199,9 @@ impl Operator {
     /// ```
     /// # use anyhow::Result;
     /// # use futures::io;
-    /// use opendal::blocking;
     /// # use opendal::blocking::Operator;
     /// use opendal::ErrorKind;
+    /// use opendal::blocking;
     /// #
     /// # fn test(op: blocking::Operator) -> Result<()> {
     /// if let Err(e) = op.stat("test") {
@@ -598,9 +598,9 @@ impl Operator {
     ///
     /// ```no_run
     /// # use anyhow::Result;
+    /// use opendal::EntryMode;
     /// use opendal::blocking;
     /// use opendal::blocking::Operator;
-    /// use opendal::EntryMode;
     /// #  fn test(op: blocking::Operator) -> Result<()> {
     /// let mut entries = op.list("path/to/dir/")?;
     /// for entry in entries {
@@ -656,9 +656,9 @@ impl Operator {
     /// # use anyhow::Result;
     /// # use futures::io;
     /// use futures::TryStreamExt;
+    /// use opendal::EntryMode;
     /// use opendal::blocking;
     /// use opendal::blocking::Operator;
-    /// use opendal::EntryMode;
     /// # fn test(op: blocking::Operator) -> Result<()> {
     /// let mut ds = op.lister("path/to/dir/")?;
     /// for de in ds {
@@ -701,9 +701,9 @@ impl Operator {
     /// ```
     /// # use std::sync::Arc;
     /// # use anyhow::Result;
+    /// use opendal::ErrorKind;
     /// use opendal::blocking;
     /// use opendal::blocking::Operator;
-    /// use opendal::ErrorKind;
     ///
     /// # fn test(op: blocking::Operator) -> Result<()> {
     /// op.check()?;
diff --git a/core/src/blocking/write/writer.rs 
b/core/src/blocking/write/writer.rs
index cdb617b49..e1e07dfe5 100644
--- a/core/src/blocking/write/writer.rs
+++ b/core/src/blocking/write/writer.rs
@@ -49,9 +49,9 @@ impl Writer {
     ///
     /// ```
     /// use bytes::Bytes;
+    /// use opendal::Result;
     /// use opendal::blocking;
     /// use opendal::blocking::Operator;
-    /// use opendal::Result;
     ///
     /// fn test(op: blocking::Operator) -> Result<()> {
     ///     let mut w = op.writer("hello.txt")?;
diff --git a/core/src/docs/concepts.rs b/core/src/docs/concepts.rs
index e512ba603..4fe0c67de 100644
--- a/core/src/docs/concepts.rs
+++ b/core/src/docs/concepts.rs
@@ -79,8 +79,8 @@
 //!
 //! ```no_run
 //! # use opendal::Result;
-//! use opendal::services::S3;
 //! use opendal::Operator;
+//! use opendal::services::S3;
 //!
 //! # fn test() -> Result<()> {
 //! let mut builder = S3::default();
@@ -117,8 +117,8 @@
 //!
 //! ```no_run
 //! # use opendal::Result;
-//! use opendal::services::S3;
 //! use opendal::Operator;
+//! use opendal::services::S3;
 //!
 //! # async fn test() -> Result<()> {
 //! let mut builder = S3::default();
diff --git a/core/src/layers/http_client.rs b/core/src/layers/http_client.rs
index 8f8d2632d..84e31ef63 100644
--- a/core/src/layers/http_client.rs
+++ b/core/src/layers/http_client.rs
@@ -28,11 +28,11 @@ use crate::*;
 /// # Examples
 ///
 /// ```no_run
-/// use opendal::layers::HttpClientLayer;
-/// use opendal::services;
 /// use opendal::Operator;
 /// use opendal::Result;
+/// use opendal::layers::HttpClientLayer;
 /// use opendal::raw::HttpClient;
+/// use opendal::services;
 ///
 /// # fn main() -> Result<()> {
 /// // Create a custom HTTP client
@@ -48,10 +48,12 @@ use crate::*;
 /// # Custom HTTP Client Implementation
 ///
 /// ```no_run
-/// use opendal::raw::{HttpFetch, HttpBody};
+/// use http::Request;
+/// use http::Response;
 /// use opendal::Buffer;
-/// use http::{Request, Response};
 /// use opendal::Result;
+/// use opendal::raw::HttpBody;
+/// use opendal::raw::HttpFetch;
 ///
 /// struct CustomHttpClient {
 ///     // Your custom HTTP client fields
@@ -79,9 +81,9 @@ impl HttpClientLayer {
     /// # Examples
     ///
     /// ```no_run
+    /// use opendal::Result;
     /// use opendal::layers::HttpClientLayer;
     /// use opendal::raw::HttpClient;
-    /// use opendal::Result;
     ///
     /// # fn main() -> Result<()> {
     /// let client = HttpClient::new()?;
diff --git a/core/src/layers/retry.rs b/core/src/layers/retry.rs
index 59a63830f..b42b08d97 100644
--- a/core/src/layers/retry.rs
+++ b/core/src/layers/retry.rs
@@ -143,9 +143,9 @@ impl RetryLayer {
     ///
     /// ```no_run
     /// use anyhow::Result;
+    /// use opendal::Operator;
     /// use opendal::layers::RetryLayer;
     /// use opendal::services;
-    /// use opendal::Operator;
     ///
     /// let _ = Operator::new(services::Memory::default())
     ///     .expect("must init")
@@ -160,9 +160,9 @@ impl<I: RetryInterceptor> RetryLayer<I> {
     /// Set the retry interceptor as new notify.
     ///
     /// ```no_run
+    /// use opendal::Operator;
     /// use opendal::layers::RetryLayer;
     /// use opendal::services;
-    /// use opendal::Operator;
     ///
     /// fn notify(_err: &opendal::Error, _dur: std::time::Duration) {}
     ///
@@ -660,24 +660,18 @@ mod tests {
         }
 
         async fn read(&self, _: &str, args: OpRead) -> Result<(RpRead, 
Self::Reader)> {
-            Ok((
-                RpRead::new(),
-                MockReader {
-                    buf: Bytes::from("Hello, World!").into(),
-                    range: args.range(),
-                    attempt: self.attempt.clone(),
-                },
-            ))
+            Ok((RpRead::new(), MockReader {
+                buf: Bytes::from("Hello, World!").into(),
+                range: args.range(),
+                attempt: self.attempt.clone(),
+            }))
         }
 
         async fn delete(&self) -> Result<(RpDelete, Self::Deleter)> {
-            Ok((
-                RpDelete::default(),
-                MockDeleter {
-                    size: 0,
-                    attempt: self.attempt.clone(),
-                },
-            ))
+            Ok((RpDelete::default(), MockDeleter {
+                size: 0,
+                attempt: self.attempt.clone(),
+            }))
         }
 
         async fn write(&self, _: &str, _: OpWrite) -> Result<(RpWrite, 
Self::Writer)> {
diff --git a/core/src/layers/tail_cut.rs b/core/src/layers/tail_cut.rs
index 42a071c60..5ebddbbc7 100644
--- a/core/src/layers/tail_cut.rs
+++ b/core/src/layers/tail_cut.rs
@@ -18,7 +18,9 @@
 use std::fmt::Debug;
 use std::fmt::Formatter;
 use std::sync::Arc;
-use std::sync::atomic::{AtomicU64, AtomicUsize, Ordering};
+use std::sync::atomic::AtomicU64;
+use std::sync::atomic::AtomicUsize;
+use std::sync::atomic::Ordering;
 use std::time::Duration;
 use std::time::Instant;
 
@@ -33,8 +35,9 @@ use crate::*;
 /// # Examples
 ///
 /// ```no_run
-/// use opendal::layers::TailCutLayer;
 /// use std::time::Duration;
+///
+/// use opendal::layers::TailCutLayer;
 /// # use opendal::services;
 /// # use opendal::Operator;
 /// # use opendal::Result;
@@ -176,8 +179,9 @@ impl TailCutLayerBuilder {
     /// # Examples
     ///
     /// ```no_run
-    /// use opendal::layers::TailCutLayer;
     /// use std::time::Duration;
+    ///
+    /// use opendal::layers::TailCutLayer;
     /// # use opendal::services;
     /// # use opendal::Operator;
     /// # use opendal::Result;
@@ -237,8 +241,9 @@ struct TailCutConfig {
 /// # Examples
 ///
 /// ```no_run
-/// use opendal::layers::TailCutLayer;
 /// use std::time::Duration;
+///
+/// use opendal::layers::TailCutLayer;
 /// # use opendal::services;
 /// # use opendal::Operator;
 /// # use opendal::Result;
diff --git a/core/src/lib.rs b/core/src/lib.rs
index 89177dbbb..73d751464 100644
--- a/core/src/lib.rs
+++ b/core/src/lib.rs
@@ -41,9 +41,9 @@
 //! Let's take [`services::S3`] as an example:
 //!
 //! ```no_run
-//! use opendal::services;
 //! use opendal::Operator;
 //! use opendal::Result;
+//! use opendal::services;
 //!
 //! fn main() -> Result<()> {
 //!     // Pick a builder and configure it.
@@ -64,10 +64,10 @@
 //! every operation that OpenDAL performs.
 //!
 //! ```no_run
-//! use opendal::layers::LoggingLayer;
-//! use opendal::services;
 //! use opendal::Operator;
 //! use opendal::Result;
+//! use opendal::layers::LoggingLayer;
+//! use opendal::services;
 //!
 //! #[tokio::main]
 //! async fn main() -> Result<()> {
@@ -102,11 +102,11 @@
 //! into [`futures::AsyncRead`] or [`futures::Stream`] for broader ecosystem 
compatibility.
 //!
 //! ```no_run
+//! use opendal::Operator;
+//! use opendal::Result;
 //! use opendal::layers::LoggingLayer;
 //! use opendal::options;
 //! use opendal::services;
-//! use opendal::Operator;
-//! use opendal::Result;
 //!
 //! #[tokio::main]
 //! async fn main() -> Result<()> {
diff --git a/core/src/raw/azure.rs b/core/src/raw/azure.rs
index c9ef55bbc..3645a4dae 100644
--- a/core/src/raw/azure.rs
+++ b/core/src/raw/azure.rs
@@ -25,9 +25,12 @@ use std::collections::HashMap;
 
 use http::Uri;
 use http::response::Parts;
-use reqsign::{AzureStorageConfig, AzureStorageCredential};
+use reqsign::AzureStorageConfig;
+use reqsign::AzureStorageCredential;
 
-use crate::{Error, ErrorKind, Result};
+use crate::Error;
+use crate::ErrorKind;
+use crate::Result;
 
 /// Parses an [Azure connection string][1] into a configuration object.
 ///
@@ -329,12 +332,11 @@ mod tests {
     use http::Uri;
     use reqsign::AzureStorageConfig;
 
+    use super::AzureStorageService;
+    use super::azure_account_name_from_endpoint;
+    use super::azure_config_from_connection_string;
     use crate::raw::azure::censor_sas_uri;
 
-    use super::{
-        AzureStorageService, azure_account_name_from_endpoint, 
azure_config_from_connection_string,
-    };
-
     #[test]
     fn test_azure_config_from_connection_string() {
         #[allow(unused_mut)]
diff --git a/core/src/raw/http_util/bytes_range.rs 
b/core/src/raw/http_util/bytes_range.rs
index 23b4a3d9b..96bbb806e 100644
--- a/core/src/raw/http_util/bytes_range.rs
+++ b/core/src/raw/http_util/bytes_range.rs
@@ -95,24 +95,18 @@ impl BytesRange {
 
     /// Convert bytes range into rust range.
     pub fn to_range(&self) -> impl RangeBounds<u64> {
-        (
-            Bound::Included(self.0),
-            match self.1 {
-                Some(size) => Bound::Excluded(self.0 + size),
-                None => Bound::Unbounded,
-            },
-        )
+        (Bound::Included(self.0), match self.1 {
+            Some(size) => Bound::Excluded(self.0 + size),
+            None => Bound::Unbounded,
+        })
     }
 
     /// Convert bytes range into rust range with usize.
     pub(crate) fn to_range_as_usize(self) -> impl RangeBounds<usize> {
-        (
-            Bound::Included(self.0 as usize),
-            match self.1 {
-                Some(size) => Bound::Excluded((self.0 + size) as usize),
-                None => Bound::Unbounded,
-            },
-        )
+        (Bound::Included(self.0 as usize), match self.1 {
+            Some(size) => Bound::Excluded((self.0 + size) as usize),
+            None => Bound::Unbounded,
+        })
     }
 }
 
diff --git a/core/src/raw/ops.rs b/core/src/raw/ops.rs
index abd89be9e..7af9d86da 100644
--- a/core/src/raw/ops.rs
+++ b/core/src/raw/ops.rs
@@ -19,11 +19,12 @@
 //!
 //! By using ops, users can add more context for operation.
 
-use crate::options;
-use crate::raw::*;
 use std::collections::HashMap;
 use std::time::Duration;
 
+use crate::options;
+use crate::raw::*;
+
 /// Args for `create` operation.
 ///
 /// The path must be normalized.
diff --git a/core/src/raw/path.rs b/core/src/raw/path.rs
index 55733f47c..5b71d03b0 100644
--- a/core/src/raw/path.rs
+++ b/core/src/raw/path.rs
@@ -15,8 +15,10 @@
 // specific language governing permissions and limitations
 // under the License.
 
+use std::hash::BuildHasher;
+use std::hash::Hasher;
+
 use crate::*;
-use std::hash::{BuildHasher, Hasher};
 
 /// build_abs_path will build an absolute path with root.
 ///
diff --git a/core/src/raw/serde_util.rs b/core/src/raw/serde_util.rs
index 3c5ded9b8..3760d5488 100644
--- a/core/src/raw/serde_util.rs
+++ b/core/src/raw/serde_util.rs
@@ -375,31 +375,28 @@ mod tests {
             .collect();
 
         let output = 
TestConfig::deserialize(ConfigDeserializer::new(map)).unwrap();
-        assert_eq!(
-            output,
-            TestConfig {
-                bool_value: true,
-                bool_option_value_none: None,
-                bool_option_value_some: Some(false),
-                bool_value_with_on: true,
-                bool_value_with_off: false,
-                string_value: "hello".to_string(),
-                string_option_value_none: None,
-                string_option_value_some: Some("hello".to_string()),
-                u8_value: 8,
-                u16_value: 16,
-                u32_value: 32,
-                u64_value: 64,
-                i8_value: -8,
-                i16_value: 16,
-                i32_value: -32,
-                i64_value: 64,
-                vec_value: vec!["hello".to_string()],
-                vec_value_two: vec!["hello".to_string(), "world".to_string()],
-                vec_none: None,
-                vec_empty: vec![],
-            }
-        );
+        assert_eq!(output, TestConfig {
+            bool_value: true,
+            bool_option_value_none: None,
+            bool_option_value_some: Some(false),
+            bool_value_with_on: true,
+            bool_value_with_off: false,
+            string_value: "hello".to_string(),
+            string_option_value_none: None,
+            string_option_value_some: Some("hello".to_string()),
+            u8_value: 8,
+            u16_value: 16,
+            u32_value: 32,
+            u64_value: 64,
+            i8_value: -8,
+            i16_value: 16,
+            i32_value: -32,
+            i64_value: 64,
+            vec_value: vec!["hello".to_string()],
+            vec_value_two: vec!["hello".to_string(), "world".to_string()],
+            vec_none: None,
+            vec_empty: vec![],
+        });
     }
 
     #[test]
@@ -412,12 +409,9 @@ mod tests {
             .collect();
 
         let output = 
TestConfig::deserialize(ConfigDeserializer::new(map)).unwrap();
-        assert_eq!(
-            output,
-            TestConfig {
-                bool_value: true,
-                ..TestConfig::default()
-            }
-        );
+        assert_eq!(output, TestConfig {
+            bool_value: true,
+            ..TestConfig::default()
+        });
     }
 }
diff --git a/core/src/raw/time.rs b/core/src/raw/time.rs
index 9d67931b3..1fbbbc4e4 100644
--- a/core/src/raw/time.rs
+++ b/core/src/raw/time.rs
@@ -17,12 +17,18 @@
 
 //! Time related utils.
 
-use crate::*;
-use jiff::SignedDuration;
 use std::fmt;
-use std::ops::{Add, AddAssign, Sub, SubAssign};
+use std::ops::Add;
+use std::ops::AddAssign;
+use std::ops::Sub;
+use std::ops::SubAssign;
 use std::str::FromStr;
-use std::time::{Duration, SystemTime};
+use std::time::Duration;
+use std::time::SystemTime;
+
+use jiff::SignedDuration;
+
+use crate::*;
 
 /// An instant in time represented as the number of nanoseconds since the Unix 
epoch.
 #[derive(Default, Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
diff --git a/core/src/services/aliyun_drive/lister.rs 
b/core/src/services/aliyun_drive/lister.rs
index 8fa9e795a..1b929475f 100644
--- a/core/src/services/aliyun_drive/lister.rs
+++ b/core/src/services/aliyun_drive/lister.rs
@@ -17,6 +17,8 @@
 
 use std::sync::Arc;
 
+use bytes::Buf;
+
 use self::oio::Entry;
 use super::core::AliyunDriveCore;
 use super::core::AliyunDriveFileList;
@@ -26,7 +28,6 @@ use crate::ErrorKind;
 use crate::Metadata;
 use crate::Result;
 use crate::raw::*;
-use bytes::Buf;
 
 pub struct AliyunDriveLister {
     core: Arc<AliyunDriveCore>,
diff --git a/core/src/services/azblob/core.rs b/core/src/services/azblob/core.rs
index fe533807b..d1293e70d 100644
--- a/core/src/services/azblob/core.rs
+++ b/core/src/services/azblob/core.rs
@@ -921,9 +921,10 @@ mod tests {
 
         let out: PutBlockListRequest =
             de::from_reader(Bytes::from(bs).reader()).expect("must success");
-        assert_eq!(
-            out.latest,
-            vec!["1".to_string(), "2".to_string(), "3".to_string()]
-        );
+        assert_eq!(out.latest, vec![
+            "1".to_string(),
+            "2".to_string(),
+            "3".to_string()
+        ]);
     }
 }
diff --git a/core/src/services/azblob/error.rs 
b/core/src/services/azblob/error.rs
index 0d26b8cd5..f8df7536e 100644
--- a/core/src/services/azblob/error.rs
+++ b/core/src/services/azblob/error.rs
@@ -86,13 +86,10 @@ pub(super) fn parse_error(resp: Response<Buffer>) -> Error {
     if message.is_empty() {
         if let Some(v) = parts.headers.get("x-ms-error-code") {
             if let Ok(code) = v.to_str() {
-                message = format!(
-                    "{:?}",
-                    AzblobError {
-                        code: code.to_string(),
-                        ..Default::default()
-                    }
-                )
+                message = format!("{:?}", AzblobError {
+                    code: code.to_string(),
+                    ..Default::default()
+                })
             }
         }
     }
diff --git a/core/src/services/azdls/backend.rs 
b/core/src/services/azdls/backend.rs
index 989a16b36..4209eedaf 100644
--- a/core/src/services/azdls/backend.rs
+++ b/core/src/services/azdls/backend.rs
@@ -214,7 +214,8 @@ impl AzdlsBuilder {
     /// use opendal::Builder;
     /// use opendal::services::Azdls;
     ///
-    /// let conn_str = 
"AccountName=example;DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net";
+    /// let conn_str =
+    ///     
"AccountName=example;DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net";
     ///
     /// let mut config = Azdls::from_connection_string(&conn_str)
     ///     .unwrap()
diff --git a/core/src/services/azdls/config.rs 
b/core/src/services/azdls/config.rs
index c4e5a7643..61b82b0f5 100644
--- a/core/src/services/azdls/config.rs
+++ b/core/src/services/azdls/config.rs
@@ -155,10 +155,10 @@ mod tests {
 
     #[test]
     fn from_uri_accepts_filesystem_from_query() {
-        let uri = OperatorUri::new(
-            "azdls://account.dfs.core.windows.net",
-            vec![("filesystem".to_string(), "logs".to_string())],
-        )
+        let uri = OperatorUri::new("azdls://account.dfs.core.windows.net", 
vec![(
+            "filesystem".to_string(),
+            "logs".to_string(),
+        )])
         .unwrap();
 
         let cfg = AzdlsConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/azdls/error.rs b/core/src/services/azdls/error.rs
index 83770195e..f7d22b584 100644
--- a/core/src/services/azdls/error.rs
+++ b/core/src/services/azdls/error.rs
@@ -84,13 +84,10 @@ pub(super) fn parse_error(resp: Response<Buffer>) -> Error {
     if message.is_empty() {
         if let Some(v) = parts.headers.get("x-ms-error-code") {
             if let Ok(code) = v.to_str() {
-                message = format!(
-                    "{:?}",
-                    AzdlsError {
-                        code: code.to_string(),
-                        ..Default::default()
-                    }
-                )
+                message = format!("{:?}", AzdlsError {
+                    code: code.to_string(),
+                    ..Default::default()
+                })
             }
         }
     }
diff --git a/core/src/services/azdls/lister.rs 
b/core/src/services/azdls/lister.rs
index 2e5744a81..97aee6b66 100644
--- a/core/src/services/azdls/lister.rs
+++ b/core/src/services/azdls/lister.rs
@@ -150,16 +150,13 @@ mod tests {
         let out: Output = de::from_slice(&bs).expect("must success");
         println!("{out:?}");
 
-        assert_eq!(
-            out.paths[0],
-            Path {
-                content_length: "1977097".to_string(),
-                etag: "0x8DACF9B0061305F".to_string(),
-                is_directory: "".to_string(),
-                last_modified: "Sat, 26 Nov 2022 10:43:05 GMT".to_string(),
-                name: 
"c3b3ef48-7783-4946-81bc-dc07e1728878/d4ea21d7-a533-4011-8b1f-d0e566d63725"
-                    .to_string()
-            }
-        );
+        assert_eq!(out.paths[0], Path {
+            content_length: "1977097".to_string(),
+            etag: "0x8DACF9B0061305F".to_string(),
+            is_directory: "".to_string(),
+            last_modified: "Sat, 26 Nov 2022 10:43:05 GMT".to_string(),
+            name: 
"c3b3ef48-7783-4946-81bc-dc07e1728878/d4ea21d7-a533-4011-8b1f-d0e566d63725"
+                .to_string()
+        });
     }
 }
diff --git a/core/src/services/azfile/backend.rs 
b/core/src/services/azfile/backend.rs
index 45c02b663..96a821160 100644
--- a/core/src/services/azfile/backend.rs
+++ b/core/src/services/azfile/backend.rs
@@ -149,7 +149,8 @@ impl AzfileBuilder {
     /// use opendal::Builder;
     /// use opendal::services::Azfile;
     ///
-    /// let conn_str = 
"AccountName=example;DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net";
+    /// let conn_str =
+    ///     
"AccountName=example;DefaultEndpointsProtocol=https;EndpointSuffix=core.windows.net";
     ///
     /// let mut config = Azfile::from_connection_string(&conn_str)
     ///     .unwrap()
diff --git a/core/src/services/azfile/config.rs 
b/core/src/services/azfile/config.rs
index ed7bd1ef7..baade64ee 100644
--- a/core/src/services/azfile/config.rs
+++ b/core/src/services/azfile/config.rs
@@ -135,10 +135,10 @@ mod tests {
 
     #[test]
     fn from_uri_accepts_share_from_query() {
-        let uri = OperatorUri::new(
-            "azfile://account.file.core.windows.net",
-            vec![("share_name".to_string(), "data".to_string())],
-        )
+        let uri = OperatorUri::new("azfile://account.file.core.windows.net", 
vec![(
+            "share_name".to_string(),
+            "data".to_string(),
+        )])
         .unwrap();
 
         let cfg = AzfileConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/azfile/error.rs 
b/core/src/services/azfile/error.rs
index ec0bd6970..9c15d146c 100644
--- a/core/src/services/azfile/error.rs
+++ b/core/src/services/azfile/error.rs
@@ -85,13 +85,10 @@ pub(super) fn parse_error(resp: Response<Buffer>) -> Error {
     if message.is_empty() {
         if let Some(v) = parts.headers.get("x-ms-error-code") {
             if let Ok(code) = v.to_str() {
-                message = format!(
-                    "{:?}",
-                    AzfileError {
-                        code: code.to_string(),
-                        ..Default::default()
-                    }
-                )
+                message = format!("{:?}", AzfileError {
+                    code: code.to_string(),
+                    ..Default::default()
+                })
             }
         }
     }
diff --git a/core/src/services/b2/config.rs b/core/src/services/b2/config.rs
index 7910a4e99..667091030 100644
--- a/core/src/services/b2/config.rs
+++ b/core/src/services/b2/config.rs
@@ -96,10 +96,10 @@ mod tests {
 
     #[test]
     fn from_uri_extracts_bucket_and_root() {
-        let uri = OperatorUri::new(
-            "b2://example-bucket/path/to/root",
-            vec![("bucket_id".to_string(), "bucket-id".to_string())],
-        )
+        let uri = OperatorUri::new("b2://example-bucket/path/to/root", vec![(
+            "bucket_id".to_string(),
+            "bucket-id".to_string(),
+        )])
         .unwrap();
 
         let cfg = B2Config::from_uri(&uri).unwrap();
diff --git a/core/src/services/cacache/deleter.rs 
b/core/src/services/cacache/deleter.rs
index 225fbf207..ccf8d4be6 100644
--- a/core/src/services/cacache/deleter.rs
+++ b/core/src/services/cacache/deleter.rs
@@ -17,11 +17,10 @@
 
 use std::sync::Arc;
 
+use super::core::CacacheCore;
 use crate::raw::*;
 use crate::*;
 
-use super::core::CacacheCore;
-
 pub struct CacacheDeleter {
     core: Arc<CacacheCore>,
 }
diff --git a/core/src/services/cacache/writer.rs 
b/core/src/services/cacache/writer.rs
index e82e74aae..401650e5b 100644
--- a/core/src/services/cacache/writer.rs
+++ b/core/src/services/cacache/writer.rs
@@ -17,11 +17,10 @@
 
 use std::sync::Arc;
 
+use super::core::CacacheCore;
 use crate::raw::*;
 use crate::*;
 
-use super::core::CacacheCore;
-
 pub struct CacacheWriter {
     core: Arc<CacacheCore>,
     path: String,
diff --git a/core/src/services/cloudflare_kv/core.rs 
b/core/src/services/cloudflare_kv/core.rs
index 13797b587..699dfa967 100644
--- a/core/src/services/cloudflare_kv/core.rs
+++ b/core/src/services/cloudflare_kv/core.rs
@@ -24,13 +24,17 @@ use http::header;
 use http::request;
 use serde_json::json;
 
+use crate::Buffer;
+use crate::Result;
+use crate::raw::AccessorInfo;
+use crate::raw::FormDataPart;
+use crate::raw::Multipart;
 use crate::raw::Operation;
 use crate::raw::QueryPairsWriter;
 use crate::raw::new_json_serialize_error;
+use crate::raw::new_request_build_error;
 use crate::raw::percent_encode_path;
-use crate::raw::{AccessorInfo, FormDataPart, Multipart, 
new_request_build_error};
 use crate::services::cloudflare_kv::model::CfKvMetadata;
-use crate::{Buffer, Result};
 
 #[derive(Debug, Clone)]
 pub struct CloudflareKvCore {
diff --git a/core/src/services/cloudflare_kv/lister.rs 
b/core/src/services/cloudflare_kv/lister.rs
index 1eeca9906..43b6d566e 100644
--- a/core/src/services/cloudflare_kv/lister.rs
+++ b/core/src/services/cloudflare_kv/lister.rs
@@ -22,7 +22,8 @@ use bytes::Buf;
 use super::core::CloudflareKvCore;
 use super::error::parse_error;
 use crate::raw::*;
-use crate::services::cloudflare_kv::model::{CfKvListKey, CfKvListResponse};
+use crate::services::cloudflare_kv::model::CfKvListKey;
+use crate::services::cloudflare_kv::model::CfKvListResponse;
 use crate::*;
 
 pub struct CloudflareKvLister {
diff --git a/core/src/services/cloudflare_kv/model.rs 
b/core/src/services/cloudflare_kv/model.rs
index 390f11d82..5f56d6450 100644
--- a/core/src/services/cloudflare_kv/model.rs
+++ b/core/src/services/cloudflare_kv/model.rs
@@ -17,7 +17,8 @@
 
 // use std::collections::HashMap;
 
-use serde::{Deserialize, Serialize};
+use serde::Deserialize;
+use serde::Serialize;
 
 #[derive(Debug, Deserialize)]
 pub struct CfKvResponse {
diff --git a/core/src/services/cloudflare_kv/writer.rs 
b/core/src/services/cloudflare_kv/writer.rs
index c644611bd..e9a2cd8ec 100644
--- a/core/src/services/cloudflare_kv/writer.rs
+++ b/core/src/services/cloudflare_kv/writer.rs
@@ -17,12 +17,13 @@
 
 use std::sync::Arc;
 
+use http::StatusCode;
+
 use super::core::CloudflareKvCore;
 use super::error::parse_error;
 use crate::raw::*;
 use crate::services::cloudflare_kv::model::CfKvMetadata;
 use crate::*;
-use http::StatusCode;
 
 pub struct CloudflareWriter {
     core: Arc<CloudflareKvCore>,
diff --git a/core/src/services/compfs/core.rs b/core/src/services/compfs/core.rs
index 6151ac8e7..5998ebc3e 100644
--- a/core/src/services/compfs/core.rs
+++ b/core/src/services/compfs/core.rs
@@ -19,7 +19,9 @@ use std::future::Future;
 use std::path::PathBuf;
 use std::sync::Arc;
 
-use compio::buf::{IoBuf, IoBuffer, IoVectoredBuf};
+use compio::buf::IoBuf;
+use compio::buf::IoBuffer;
+use compio::buf::IoVectoredBuf;
 use compio::dispatcher::Dispatcher;
 
 use crate::raw::*;
diff --git a/core/src/services/cos/core.rs b/core/src/services/cos/core.rs
index cb3c75b38..346627f0c 100644
--- a/core/src/services/cos/core.rs
+++ b/core/src/services/cos/core.rs
@@ -739,10 +739,9 @@ mod tests {
                 .collect::<Vec<String>>(),
             ["obj002", "obj003"],
         );
-        assert_eq!(
-            out.contents.iter().map(|v| v.size).collect::<Vec<u64>>(),
-            [9, 10],
-        );
+        assert_eq!(out.contents.iter().map(|v| v.size).collect::<Vec<u64>>(), [
+            9, 10
+        ],);
         assert_eq!(
             out.common_prefixes
                 .iter()
diff --git a/core/src/services/dashmap/deleter.rs 
b/core/src/services/dashmap/deleter.rs
index 0f4e10e50..f1990bff0 100644
--- a/core/src/services/dashmap/deleter.rs
+++ b/core/src/services/dashmap/deleter.rs
@@ -18,7 +18,9 @@
 use std::sync::Arc;
 
 use super::core::DashmapCore;
-use crate::raw::{OpDelete, build_abs_path, oio};
+use crate::raw::OpDelete;
+use crate::raw::build_abs_path;
+use crate::raw::oio;
 use crate::*;
 
 pub struct DashmapDeleter {
diff --git a/core/src/services/dashmap/lister.rs 
b/core/src/services/dashmap/lister.rs
index e276ac3d1..df9d5b35d 100644
--- a/core/src/services/dashmap/lister.rs
+++ b/core/src/services/dashmap/lister.rs
@@ -15,12 +15,15 @@
 // specific language governing permissions and limitations
 // under the License.
 
+use std::sync::Arc;
+use std::vec::IntoIter;
+
 use super::core::DashmapCore;
+use crate::raw::build_abs_path;
+use crate::raw::build_rel_path;
+use crate::raw::oio;
 use crate::raw::oio::Entry;
-use crate::raw::{build_abs_path, build_rel_path, oio};
 use crate::*;
-use std::sync::Arc;
-use std::vec::IntoIter;
 
 pub struct DashmapLister {
     root: String,
diff --git a/core/src/services/dashmap/writer.rs 
b/core/src/services/dashmap/writer.rs
index 54efe86cb..494bf9dba 100644
--- a/core/src/services/dashmap/writer.rs
+++ b/core/src/services/dashmap/writer.rs
@@ -20,7 +20,9 @@ use std::time::SystemTime;
 
 use super::core::DashmapCore;
 use super::core::DashmapValue;
-use crate::raw::{OpWrite, Timestamp, oio};
+use crate::raw::OpWrite;
+use crate::raw::Timestamp;
+use crate::raw::oio;
 use crate::*;
 
 pub struct DashmapWriter {
@@ -69,13 +71,10 @@ impl oio::Write for DashmapWriter {
             meta.set_content_encoding(v);
         }
 
-        self.core.set(
-            &self.path,
-            DashmapValue {
-                metadata: meta.clone(),
-                content,
-            },
-        )?;
+        self.core.set(&self.path, DashmapValue {
+            metadata: meta.clone(),
+            content,
+        })?;
 
         Ok(meta)
     }
diff --git a/core/src/services/dropbox/writer.rs 
b/core/src/services/dropbox/writer.rs
index eff7c23cb..30e77808d 100644
--- a/core/src/services/dropbox/writer.rs
+++ b/core/src/services/dropbox/writer.rs
@@ -20,7 +20,8 @@ use std::sync::Arc;
 use bytes::Buf;
 use http::StatusCode;
 
-use super::core::{DropboxCore, DropboxMetadataResponse};
+use super::core::DropboxCore;
+use super::core::DropboxMetadataResponse;
 use super::error::parse_error;
 use crate::raw::*;
 use crate::*;
diff --git a/core/src/services/etcd/core.rs b/core/src/services/etcd/core.rs
index a2fa54b6f..6e6d9eb6e 100644
--- a/core/src/services/etcd/core.rs
+++ b/core/src/services/etcd/core.rs
@@ -15,16 +15,21 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use crate::services::etcd::error::format_etcd_error;
-use crate::{Buffer, Error, ErrorKind, Result};
+use std::fmt::Debug;
+use std::sync::Arc;
+use std::time::Duration;
+
 use etcd_client::Client;
 use etcd_client::ConnectOptions;
 use fastpool::ManageObject;
 use fastpool::ObjectStatus;
 use fastpool::bounded;
-use std::fmt::Debug;
-use std::sync::Arc;
-use std::time::Duration;
+
+use crate::Buffer;
+use crate::Error;
+use crate::ErrorKind;
+use crate::Result;
+use crate::services::etcd::error::format_etcd_error;
 
 pub mod constants {
     pub const DEFAULT_ETCD_ENDPOINTS: &str = "http://127.0.0.1:2379";;
@@ -76,13 +81,10 @@ impl Debug for EtcdCore {
 
 impl EtcdCore {
     pub fn new(endpoints: Vec<String>, options: ConnectOptions) -> Self {
-        let client = bounded::Pool::new(
-            bounded::PoolConfig::new(64),
-            Manager {
-                endpoints: endpoints.clone(),
-                options: options.clone(),
-            },
-        );
+        let client = bounded::Pool::new(bounded::PoolConfig::new(64), Manager {
+            endpoints: endpoints.clone(),
+            options: options.clone(),
+        });
 
         Self {
             endpoints,
diff --git a/core/src/services/etcd/error.rs b/core/src/services/etcd/error.rs
index 1293d9ecd..9d355df28 100644
--- a/core/src/services/etcd/error.rs
+++ b/core/src/services/etcd/error.rs
@@ -17,7 +17,8 @@
 
 use etcd_client::Error as EtcdError;
 
-use crate::{Error, ErrorKind};
+use crate::Error;
+use crate::ErrorKind;
 
 pub fn format_etcd_error(e: EtcdError) -> Error {
     Error::new(ErrorKind::Unexpected, e.to_string().as_str())
diff --git a/core/src/services/etcd/lister.rs b/core/src/services/etcd/lister.rs
index 39d143c3e..a9950a1ba 100644
--- a/core/src/services/etcd/lister.rs
+++ b/core/src/services/etcd/lister.rs
@@ -19,8 +19,10 @@ use std::sync::Arc;
 use std::vec::IntoIter;
 
 use super::core::EtcdCore;
+use crate::raw::build_abs_path;
+use crate::raw::build_rel_path;
+use crate::raw::oio;
 use crate::raw::oio::Entry;
-use crate::raw::{build_abs_path, build_rel_path, oio};
 use crate::*;
 
 pub struct EtcdLister {
diff --git a/core/src/services/ftp/backend.rs b/core/src/services/ftp/backend.rs
index 555487717..8e5e7842b 100644
--- a/core/src/services/ftp/backend.rs
+++ b/core/src/services/ftp/backend.rs
@@ -382,13 +382,10 @@ mod build_test {
 
     #[test]
     fn from_uri_applies_credentials_from_query() {
-        let uri = OperatorUri::new(
-            "ftp://example.com/data";,
-            vec![
-                ("user".to_string(), "alice".to_string()),
-                ("password".to_string(), "secret".to_string()),
-            ],
-        )
+        let uri = OperatorUri::new("ftp://example.com/data";, vec![
+            ("user".to_string(), "alice".to_string()),
+            ("password".to_string(), "secret".to_string()),
+        ])
         .unwrap();
 
         let cfg = FtpConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/ftp/core.rs b/core/src/services/ftp/core.rs
index afe227add..be7fbef44 100644
--- a/core/src/services/ftp/core.rs
+++ b/core/src/services/ftp/core.rs
@@ -15,11 +15,14 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use fastpool::{ManageObject, ObjectStatus, bounded};
-use futures_rustls::TlsConnector;
-use raw::Operation;
 use std::sync::Arc;
 use std::time::Duration;
+
+use fastpool::ManageObject;
+use fastpool::ObjectStatus;
+use fastpool::bounded;
+use futures_rustls::TlsConnector;
+use raw::Operation;
 use suppaftp::AsyncRustlsConnector;
 use suppaftp::AsyncRustlsFtpStream;
 use suppaftp::FtpError;
diff --git a/core/src/services/ghac/config.rs b/core/src/services/ghac/config.rs
index 07469326e..1f715c4ae 100644
--- a/core/src/services/ghac/config.rs
+++ b/core/src/services/ghac/config.rs
@@ -111,10 +111,10 @@ mod tests {
 
     #[test]
     fn from_uri_respects_version_override() {
-        let uri = OperatorUri::new(
-            "ghac://cache.githubactions.io/cache-prefix",
-            vec![("version".to_string(), "v2".to_string())],
-        )
+        let uri = 
OperatorUri::new("ghac://cache.githubactions.io/cache-prefix", vec![(
+            "version".to_string(),
+            "v2".to_string(),
+        )])
         .unwrap();
 
         let cfg = GhacConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/http/config.rs b/core/src/services/http/config.rs
index 196bc8e75..ba929b092 100644
--- a/core/src/services/http/config.rs
+++ b/core/src/services/http/config.rs
@@ -114,13 +114,10 @@ mod tests {
 
     #[test]
     fn from_uri_ignores_endpoint_override() {
-        let uri = OperatorUri::new(
-            "http://example.com/data";,
-            vec![(
-                "endpoint".to_string(),
-                "https://cdn.example.com".to_string(),
-            )],
-        )
+        let uri = OperatorUri::new("http://example.com/data";, vec![(
+            "endpoint".to_string(),
+            "https://cdn.example.com".to_string(),
+        )])
         .unwrap();
         let cfg = HttpConfig::from_uri(&uri).unwrap();
 
diff --git a/core/src/services/huggingface/config.rs 
b/core/src/services/huggingface/config.rs
index 6b4034bfb..0217d7673 100644
--- a/core/src/services/huggingface/config.rs
+++ b/core/src/services/huggingface/config.rs
@@ -164,10 +164,10 @@ mod tests {
 
     #[test]
     fn from_uri_uses_existing_revision_and_sets_root() {
-        let uri = OperatorUri::new(
-            "huggingface://dataset/opendal/sample/data/train",
-            vec![("revision".to_string(), "dev".to_string())],
-        )
+        let uri = 
OperatorUri::new("huggingface://dataset/opendal/sample/data/train", vec![(
+            "revision".to_string(),
+            "dev".to_string(),
+        )])
         .unwrap();
 
         let cfg = HuggingfaceConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/huggingface/core.rs 
b/core/src/services/huggingface/core.rs
index 6aa635c59..f3b33414d 100644
--- a/core/src/services/huggingface/core.rs
+++ b/core/src/services/huggingface/core.rs
@@ -22,7 +22,8 @@ use bytes::Bytes;
 use http::Request;
 use http::Response;
 use http::header;
-use percent_encoding::{NON_ALPHANUMERIC, utf8_percent_encode};
+use percent_encoding::NON_ALPHANUMERIC;
+use percent_encoding::utf8_percent_encode;
 use serde::Deserialize;
 
 use super::backend::RepoType;
@@ -248,13 +249,17 @@ pub(super) struct HuggingfaceImport {
 
 #[cfg(test)]
 mod tests {
+    use std::sync::Arc;
+    use std::sync::Mutex;
+
     use bytes::Bytes;
+    use http::Request;
+    use http::Response;
+    use http::StatusCode;
 
     use super::*;
     use crate::raw::new_json_deserialize_error;
     use crate::types::Result;
-    use http::{Request, Response, StatusCode};
-    use std::sync::{Arc, Mutex};
 
     // Mock HTTP client that captures the request URL and headers
     #[derive(Clone)]
diff --git a/core/src/services/ipmfs/builder.rs 
b/core/src/services/ipmfs/builder.rs
index 975bcaa20..7907c1c85 100644
--- a/core/src/services/ipmfs/builder.rs
+++ b/core/src/services/ipmfs/builder.rs
@@ -52,8 +52,8 @@ use crate::*;
 ///
 /// ```no_run
 /// use anyhow::Result;
-/// use opendal::services::Ipmfs;
 /// use opendal::Operator;
+/// use opendal::services::Ipmfs;
 ///
 /// #[tokio::main]
 /// async fn main() -> Result<()> {
diff --git a/core/src/services/lakefs/config.rs 
b/core/src/services/lakefs/config.rs
index d6c374e3d..430eb23ac 100644
--- a/core/src/services/lakefs/config.rs
+++ b/core/src/services/lakefs/config.rs
@@ -167,10 +167,10 @@ mod tests {
 
     #[test]
     fn from_uri_respects_branch_override_and_sets_root() {
-        let uri = OperatorUri::new(
-            "lakefs://api.example.com/sample/content",
-            vec![("branch".to_string(), "develop".to_string())],
-        )
+        let uri = OperatorUri::new("lakefs://api.example.com/sample/content", 
vec![(
+            "branch".to_string(),
+            "develop".to_string(),
+        )])
         .unwrap();
 
         let cfg = LakefsConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/lakefs/lister.rs 
b/core/src/services/lakefs/lister.rs
index fe49f1529..20e4f33b0 100644
--- a/core/src/services/lakefs/lister.rs
+++ b/core/src/services/lakefs/lister.rs
@@ -17,12 +17,13 @@
 
 use std::sync::Arc;
 
+use bytes::Buf;
+
 use super::core::LakefsCore;
 use super::core::LakefsListResponse;
 use super::error::parse_error;
 use crate::raw::*;
 use crate::*;
-use bytes::Buf;
 
 pub struct LakefsLister {
     core: Arc<LakefsCore>,
diff --git a/core/src/services/memcached/core.rs 
b/core/src/services/memcached/core.rs
index c88d7b0be..1946fb83f 100644
--- a/core/src/services/memcached/core.rs
+++ b/core/src/services/memcached/core.rs
@@ -15,9 +15,12 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use fastpool::{ManageObject, ObjectStatus, bounded};
 use std::sync::Arc;
 use std::time::Duration;
+
+use fastpool::ManageObject;
+use fastpool::ObjectStatus;
+use fastpool::bounded;
 use tokio::net::TcpStream;
 
 use super::binary;
diff --git a/core/src/services/mini_moka/config.rs 
b/core/src/services/mini_moka/config.rs
index 8106858f2..9c82004df 100644
--- a/core/src/services/mini_moka/config.rs
+++ b/core/src/services/mini_moka/config.rs
@@ -70,10 +70,10 @@ mod tests {
 
     #[test]
     fn from_uri_sets_root_and_preserves_ttl() {
-        let uri = OperatorUri::new(
-            "mini-moka:///session",
-            vec![("time_to_live".to_string(), "300s".to_string())],
-        )
+        let uri = OperatorUri::new("mini-moka:///session", vec![(
+            "time_to_live".to_string(),
+            "300s".to_string(),
+        )])
         .unwrap();
 
         let cfg = MiniMokaConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/mini_moka/writer.rs 
b/core/src/services/mini_moka/writer.rs
index aafdacfec..0c331b12e 100644
--- a/core/src/services/mini_moka/writer.rs
+++ b/core/src/services/mini_moka/writer.rs
@@ -15,11 +15,13 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use super::core::{MiniMokaCore, MiniMokaValue};
+use std::sync::Arc;
+
+use super::core::MiniMokaCore;
+use super::core::MiniMokaValue;
 use crate::raw::oio;
 use crate::raw::*;
 use crate::*;
-use std::sync::Arc;
 
 pub struct MiniMokaWriter {
     core: Arc<MiniMokaCore>,
diff --git a/core/src/services/moka/backend.rs 
b/core/src/services/moka/backend.rs
index ee28e15b9..fdc592b78 100644
--- a/core/src/services/moka/backend.rs
+++ b/core/src/services/moka/backend.rs
@@ -78,9 +78,11 @@ impl MokaBuilder {
     ///         .eviction_listener(|k: Arc<String>, v: MokaValue, cause: 
RemovalCause| {
     ///             debug!(
     ///                 "moka cache eviction listener, key = {}, value = {:?}, 
cause = {:?}",
-    ///                 k.as_str(), v.content.to_vec(), cause
+    ///                 k.as_str(),
+    ///                 v.content.to_vec(),
+    ///                 cause
     ///             );
-    ///         })
+    ///         }),
     /// );
     /// ```
     pub fn new(builder: MokaCacheBuilder<String, MokaValue>) -> Self {
diff --git a/core/src/services/moka/mod.rs b/core/src/services/moka/mod.rs
index ea5bfc216..588daf085 100644
--- a/core/src/services/moka/mod.rs
+++ b/core/src/services/moka/mod.rs
@@ -25,7 +25,8 @@ mod deleter;
 mod lister;
 mod writer;
 
+pub use core::MokaValue;
+
 pub use backend::MokaBuilder as Moka;
 pub use backend::MokaCacheBuilder;
 pub use config::MokaConfig;
-pub use core::MokaValue;
diff --git a/core/src/services/moka/writer.rs b/core/src/services/moka/writer.rs
index f1bdf09ab..1f6fc0fde 100644
--- a/core/src/services/moka/writer.rs
+++ b/core/src/services/moka/writer.rs
@@ -17,7 +17,8 @@
 
 use std::sync::Arc;
 
-use super::core::{MokaCore, MokaValue};
+use super::core::MokaCore;
+use super::core::MokaValue;
 use crate::raw::oio;
 use crate::raw::*;
 use crate::*;
diff --git a/core/src/services/obs/core.rs b/core/src/services/obs/core.rs
index 33f03f549..938bf898c 100644
--- a/core/src/services/obs/core.rs
+++ b/core/src/services/obs/core.rs
@@ -592,10 +592,9 @@ mod tests {
                 .collect::<Vec<String>>(),
             ["obj002", "obj003"],
         );
-        assert_eq!(
-            out.contents.iter().map(|v| v.size).collect::<Vec<u64>>(),
-            [9, 10],
-        );
+        assert_eq!(out.contents.iter().map(|v| v.size).collect::<Vec<u64>>(), [
+            9, 10
+        ],);
         assert_eq!(
             out.common_prefixes
                 .iter()
diff --git a/core/src/services/opfs/core.rs b/core/src/services/opfs/core.rs
index 643af84bd..ecb51c5f7 100644
--- a/core/src/services/opfs/core.rs
+++ b/core/src/services/opfs/core.rs
@@ -22,11 +22,10 @@ use wasm_bindgen_futures::JsFuture;
 use web_sys::File;
 use web_sys::FileSystemWritableFileStream;
 
-use crate::Error;
-use crate::Result;
-
 use super::error::*;
 use super::utils::*;
+use crate::Error;
+use crate::Result;
 
 #[derive(Default, Debug)]
 pub struct OpfsCore {}
diff --git a/core/src/services/opfs/error.rs b/core/src/services/opfs/error.rs
index 1f7d5cb87..8507ca797 100644
--- a/core/src/services/opfs/error.rs
+++ b/core/src/services/opfs/error.rs
@@ -17,7 +17,8 @@
 
 use wasm_bindgen::JsValue;
 
-use crate::{Error, ErrorKind};
+use crate::Error;
+use crate::ErrorKind;
 
 pub(crate) fn parse_js_error(msg: JsValue) -> Error {
     Error::new(
diff --git a/core/src/services/opfs/utils.rs b/core/src/services/opfs/utils.rs
index 9cc3bd25e..69c163e7a 100644
--- a/core/src/services/opfs/utils.rs
+++ b/core/src/services/opfs/utils.rs
@@ -15,15 +15,16 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use crate::Result;
 use wasm_bindgen::JsCast;
 use wasm_bindgen_futures::JsFuture;
-use web_sys::{
-    FileSystemDirectoryHandle, FileSystemFileHandle, 
FileSystemGetDirectoryOptions,
-    FileSystemGetFileOptions, window,
-};
+use web_sys::FileSystemDirectoryHandle;
+use web_sys::FileSystemFileHandle;
+use web_sys::FileSystemGetDirectoryOptions;
+use web_sys::FileSystemGetFileOptions;
+use web_sys::window;
 
 use super::error::*;
+use crate::Result;
 
 pub(crate) async fn get_root_directory_handle() -> 
Result<FileSystemDirectoryHandle> {
     let navigator = window().unwrap().navigator();
diff --git a/core/src/services/oss/core.rs b/core/src/services/oss/core.rs
index 78423dd76..0061e801f 100644
--- a/core/src/services/oss/core.rs
+++ b/core/src/services/oss/core.rs
@@ -1054,28 +1054,25 @@ mod tests {
         assert_eq!(out.next_continuation_token, Some("CgJiYw--".to_string()));
         assert!(out.common_prefixes.is_empty());
 
-        assert_eq!(
-            out.contents,
-            vec![
-                ListObjectsOutputContent {
-                    key: "b/c".to_string(),
-                    last_modified: "2020-05-18T05:45:54.000Z".to_string(),
-                    etag: "\"35A27C2B9EAEEB6F48FD7FB5861D****\"".to_string(),
-                    size: 25,
-                },
-                ListObjectsOutputContent {
-                    key: "ba".to_string(),
-                    last_modified: "2020-05-18T11:17:58.000Z".to_string(),
-                    etag: "\"35A27C2B9EAEEB6F48FD7FB5861D****\"".to_string(),
-                    size: 25,
-                },
-                ListObjectsOutputContent {
-                    key: "bc".to_string(),
-                    last_modified: "2020-05-18T05:45:59.000Z".to_string(),
-                    etag: "\"35A27C2B9EAEEB6F48FD7FB5861D****\"".to_string(),
-                    size: 25,
-                }
-            ]
-        )
+        assert_eq!(out.contents, vec![
+            ListObjectsOutputContent {
+                key: "b/c".to_string(),
+                last_modified: "2020-05-18T05:45:54.000Z".to_string(),
+                etag: "\"35A27C2B9EAEEB6F48FD7FB5861D****\"".to_string(),
+                size: 25,
+            },
+            ListObjectsOutputContent {
+                key: "ba".to_string(),
+                last_modified: "2020-05-18T11:17:58.000Z".to_string(),
+                etag: "\"35A27C2B9EAEEB6F48FD7FB5861D****\"".to_string(),
+                size: 25,
+            },
+            ListObjectsOutputContent {
+                key: "bc".to_string(),
+                last_modified: "2020-05-18T05:45:59.000Z".to_string(),
+                etag: "\"35A27C2B9EAEEB6F48FD7FB5861D****\"".to_string(),
+                size: 25,
+            }
+        ])
     }
 }
diff --git a/core/src/services/pcloud/config.rs 
b/core/src/services/pcloud/config.rs
index d8a05c24a..f5072dba9 100644
--- a/core/src/services/pcloud/config.rs
+++ b/core/src/services/pcloud/config.rs
@@ -88,10 +88,10 @@ mod tests {
 
     #[test]
     fn from_uri_sets_endpoint_and_root() {
-        let uri = OperatorUri::new(
-            "pcloud://api.pcloud.com/drive/photos",
-            vec![("username".to_string(), "alice".to_string())],
-        )
+        let uri = OperatorUri::new("pcloud://api.pcloud.com/drive/photos", 
vec![(
+            "username".to_string(),
+            "alice".to_string(),
+        )])
         .unwrap();
 
         let cfg = PcloudConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/redis/core.rs b/core/src/services/redis/core.rs
index f0f5de20a..127e831ad 100644
--- a/core/src/services/redis/core.rs
+++ b/core/src/services/redis/core.rs
@@ -19,9 +19,10 @@ use std::fmt::Debug;
 use std::sync::Arc;
 use std::time::Duration;
 
-use crate::*;
 use bytes::Bytes;
-use fastpool::{ManageObject, ObjectStatus, bounded};
+use fastpool::ManageObject;
+use fastpool::ObjectStatus;
+use fastpool::bounded;
 use redis::AsyncCommands;
 use redis::Client;
 use redis::Cmd;
@@ -34,6 +35,8 @@ use redis::aio::ConnectionManager;
 use redis::cluster::ClusterClient;
 use redis::cluster_async::ClusterConnection;
 
+use crate::*;
+
 #[derive(Clone)]
 pub enum RedisConnection {
     Normal(ConnectionManager),
diff --git a/core/src/services/s3/core.rs b/core/src/services/s3/core.rs
index 28576e4cd..fa2b39b95 100644
--- a/core/src/services/s3/core.rs
+++ b/core/src/services/s3/core.rs
@@ -1235,14 +1235,10 @@ impl ChecksumAlgorithm {
 }
 impl Display for ChecksumAlgorithm {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(
-            f,
-            "{}",
-            match self {
-                Self::Crc32c => "CRC32C",
-                Self::Md5 => "MD5",
-            }
-        )
+        write!(f, "{}", match self {
+            Self::Crc32c => "CRC32C",
+            Self::Md5 => "MD5",
+        })
     }
 }
 
@@ -1497,23 +1493,20 @@ mod tests {
         assert!(!out.is_truncated.unwrap());
         assert!(out.next_marker.is_none());
         assert!(out.common_prefixes.is_empty());
-        assert_eq!(
-            out.contents,
-            vec![
-                ListObjectsOutputContent {
-                    key: "my-image.jpg".to_string(),
-                    size: 434234,
-                    etag: 
Some("\"fba9dede5f27731c9771645a39863328\"".to_string()),
-                    last_modified: "2009-10-12T17:50:30.000Z".to_string(),
-                },
-                ListObjectsOutputContent {
-                    key: "my-third-image.jpg".to_string(),
-                    size: 64994,
-                    last_modified: "2009-10-12T17:50:30.000Z".to_string(),
-                    etag: 
Some("\"1b2cf535f27731c974343645a3985328\"".to_string()),
-                },
-            ]
-        )
+        assert_eq!(out.contents, vec![
+            ListObjectsOutputContent {
+                key: "my-image.jpg".to_string(),
+                size: 434234,
+                etag: Some("\"fba9dede5f27731c9771645a39863328\"".to_string()),
+                last_modified: "2009-10-12T17:50:30.000Z".to_string(),
+            },
+            ListObjectsOutputContent {
+                key: "my-third-image.jpg".to_string(),
+                size: 64994,
+                last_modified: "2009-10-12T17:50:30.000Z".to_string(),
+                etag: Some("\"1b2cf535f27731c974343645a3985328\"".to_string()),
+            },
+        ])
     }
 
     #[test]
@@ -1567,29 +1560,26 @@ mod tests {
                 .collect::<Vec<String>>(),
             vec!["photos/2006/February/", "photos/2006/January/"]
         );
-        assert_eq!(
-            out.contents,
-            vec![
-                ListObjectsOutputContent {
-                    key: "photos/2006".to_string(),
-                    size: 56,
-                    etag: 
Some("\"d41d8cd98f00b204e9800998ecf8427e\"".to_string()),
-                    last_modified: "2016-04-30T23:51:29.000Z".to_string(),
-                },
-                ListObjectsOutputContent {
-                    key: "photos/2007".to_string(),
-                    size: 100,
-                    last_modified: "2016-04-30T23:51:29.000Z".to_string(),
-                    etag: 
Some("\"d41d8cd98f00b204e9800998ecf8427e\"".to_string()),
-                },
-                ListObjectsOutputContent {
-                    key: "photos/2008".to_string(),
-                    size: 42,
-                    last_modified: "2016-05-30T23:51:29.000Z".to_string(),
-                    etag: None,
-                },
-            ]
-        )
+        assert_eq!(out.contents, vec![
+            ListObjectsOutputContent {
+                key: "photos/2006".to_string(),
+                size: 56,
+                etag: Some("\"d41d8cd98f00b204e9800998ecf8427e\"".to_string()),
+                last_modified: "2016-04-30T23:51:29.000Z".to_string(),
+            },
+            ListObjectsOutputContent {
+                key: "photos/2007".to_string(),
+                size: 100,
+                last_modified: "2016-04-30T23:51:29.000Z".to_string(),
+                etag: Some("\"d41d8cd98f00b204e9800998ecf8427e\"".to_string()),
+            },
+            ListObjectsOutputContent {
+                key: "photos/2008".to_string(),
+                size: 42,
+                last_modified: "2016-05-30T23:51:29.000Z".to_string(),
+                etag: None,
+            },
+        ])
     }
 
     #[test]
@@ -1657,48 +1647,41 @@ mod tests {
             output.next_version_id_marker,
             Some("d-d309mfjFrUmoQ0DBsVqmcMV15OI.".to_owned())
         );
-        assert_eq!(
-            output.common_prefixes,
-            vec![
-                OutputCommonPrefix {
-                    prefix: "photos/".to_owned()
-                },
-                OutputCommonPrefix {
-                    prefix: "videos/".to_owned()
-                }
-            ]
-        );
+        assert_eq!(output.common_prefixes, vec![
+            OutputCommonPrefix {
+                prefix: "photos/".to_owned()
+            },
+            OutputCommonPrefix {
+                prefix: "videos/".to_owned()
+            }
+        ]);
 
-        assert_eq!(
-            output.version,
-            vec![
-                ListObjectVersionsOutputVersion {
-                    key: "key3".to_owned(),
-                    version_id: 
"8XECiENpj8pydEDJdd-_VRrvaGKAHOaGMNW7tg6UViI.".to_owned(),
-                    is_latest: true,
-                    size: 217,
-                    last_modified: "2009-12-09T00:18:23.000Z".to_owned(),
-                    etag: 
Some("\"396fefef536d5ce46c7537ecf978a360\"".to_owned()),
-                },
-                ListObjectVersionsOutputVersion {
-                    key: "key3".to_owned(),
-                    version_id: 
"d-d309mfjFri40QYukDozqBt3UmoQ0DBsVqmcMV15OI.".to_owned(),
-                    is_latest: false,
-                    size: 217,
-                    last_modified: "2009-12-09T00:18:08.000Z".to_owned(),
-                    etag: 
Some("\"396fefef536d5ce46c7537ecf978a360\"".to_owned()),
-                }
-            ]
-        );
+        assert_eq!(output.version, vec![
+            ListObjectVersionsOutputVersion {
+                key: "key3".to_owned(),
+                version_id: 
"8XECiENpj8pydEDJdd-_VRrvaGKAHOaGMNW7tg6UViI.".to_owned(),
+                is_latest: true,
+                size: 217,
+                last_modified: "2009-12-09T00:18:23.000Z".to_owned(),
+                etag: Some("\"396fefef536d5ce46c7537ecf978a360\"".to_owned()),
+            },
+            ListObjectVersionsOutputVersion {
+                key: "key3".to_owned(),
+                version_id: 
"d-d309mfjFri40QYukDozqBt3UmoQ0DBsVqmcMV15OI.".to_owned(),
+                is_latest: false,
+                size: 217,
+                last_modified: "2009-12-09T00:18:08.000Z".to_owned(),
+                etag: Some("\"396fefef536d5ce46c7537ecf978a360\"".to_owned()),
+            }
+        ]);
 
-        assert_eq!(
-            output.delete_marker,
-            vec![ListObjectVersionsOutputDeleteMarker {
+        assert_eq!(output.delete_marker, vec![
+            ListObjectVersionsOutputDeleteMarker {
                 key: "my-third-image.jpg".to_owned(),
                 version_id: 
"03jpff543dhffds434rfdsFDN943fdsFkdmqnh892".to_owned(),
                 is_latest: true,
                 last_modified: "2009-10-15T17:50:30.000Z".to_owned(),
-            },]
-        );
+            },
+        ]);
     }
 }
diff --git a/core/src/services/sftp/config.rs b/core/src/services/sftp/config.rs
index 999da4378..82ad894a4 100644
--- a/core/src/services/sftp/config.rs
+++ b/core/src/services/sftp/config.rs
@@ -96,14 +96,11 @@ mod tests {
 
     #[test]
     fn from_uri_applies_connection_overrides() {
-        let uri = OperatorUri::new(
-            "sftp://host";,
-            vec![
-                ("user".to_string(), "alice".to_string()),
-                ("key".to_string(), "/home/alice/.ssh/id_rsa".to_string()),
-                ("known_hosts_strategy".to_string(), "accept".to_string()),
-            ],
-        )
+        let uri = OperatorUri::new("sftp://host";, vec![
+            ("user".to_string(), "alice".to_string()),
+            ("key".to_string(), "/home/alice/.ssh/id_rsa".to_string()),
+            ("known_hosts_strategy".to_string(), "accept".to_string()),
+        ])
         .unwrap();
 
         let cfg = SftpConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/sftp/core.rs b/core/src/services/sftp/core.rs
index 2520a03d9..754005309 100644
--- a/core/src/services/sftp/core.rs
+++ b/core/src/services/sftp/core.rs
@@ -15,23 +15,27 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use super::error::is_sftp_protocol_error;
-use super::error::parse_sftp_error;
-use super::error::parse_ssh_error;
-use crate::raw::*;
-use crate::*;
-use fastpool::{ManageObject, ObjectStatus, bounded};
-use log::debug;
-use openssh::KnownHosts;
-use openssh::SessionBuilder;
-use openssh_sftp_client::Sftp;
-use openssh_sftp_client::SftpOptions;
 use std::fmt::Debug;
 use std::path::Path;
 use std::path::PathBuf;
 use std::sync::Arc;
 use std::time::Duration;
 
+use fastpool::ManageObject;
+use fastpool::ObjectStatus;
+use fastpool::bounded;
+use log::debug;
+use openssh::KnownHosts;
+use openssh::SessionBuilder;
+use openssh_sftp_client::Sftp;
+use openssh_sftp_client::SftpOptions;
+
+use super::error::is_sftp_protocol_error;
+use super::error::parse_sftp_error;
+use super::error::parse_ssh_error;
+use crate::raw::*;
+use crate::*;
+
 pub struct SftpCore {
     pub info: Arc<AccessorInfo>,
     pub endpoint: String,
@@ -57,16 +61,13 @@ impl SftpCore {
         key: Option<String>,
         known_hosts_strategy: KnownHosts,
     ) -> Self {
-        let client = bounded::Pool::new(
-            bounded::PoolConfig::new(64),
-            Manager {
-                endpoint: endpoint.clone(),
-                root: root.clone(),
-                user,
-                key,
-                known_hosts_strategy,
-            },
-        );
+        let client = bounded::Pool::new(bounded::PoolConfig::new(64), Manager {
+            endpoint: endpoint.clone(),
+            root: root.clone(),
+            user,
+            key,
+            known_hosts_strategy,
+        });
 
         SftpCore {
             info,
diff --git a/core/src/services/sqlite/backend.rs 
b/core/src/services/sqlite/backend.rs
index 8b05e765b..bb453187f 100644
--- a/core/src/services/sqlite/backend.rs
+++ b/core/src/services/sqlite/backend.rs
@@ -313,9 +313,10 @@ impl Access for SqliteBackend {
 
 #[cfg(test)]
 mod test {
-    use super::*;
     use sqlx::SqlitePool;
 
+    use super::*;
+
     async fn build_client() -> OnceCell<SqlitePool> {
         let config = 
SqliteConnectOptions::from_str("sqlite::memory:").unwrap();
         let pool = SqlitePool::connect_with(config).await.unwrap();
diff --git a/core/src/services/sqlite/core.rs b/core/src/services/sqlite/core.rs
index fa55643e9..a533a9db1 100644
--- a/core/src/services/sqlite/core.rs
+++ b/core/src/services/sqlite/core.rs
@@ -15,10 +15,11 @@
 // specific language governing permissions and limitations
 // under the License.
 
+use std::fmt::Debug;
+
 use mea::once::OnceCell;
 use sqlx::SqlitePool;
 use sqlx::sqlite::SqliteConnectOptions;
-use std::fmt::Debug;
 
 use crate::services::sqlite::backend::parse_sqlite_error;
 use crate::*;
diff --git a/core/src/services/sqlite/deleter.rs 
b/core/src/services/sqlite/deleter.rs
index 7b3ee442c..d707c58a6 100644
--- a/core/src/services/sqlite/deleter.rs
+++ b/core/src/services/sqlite/deleter.rs
@@ -15,7 +15,9 @@
 // specific language governing permissions and limitations
 // under the License.
 
-use crate::raw::{OpDelete, build_abs_path, oio};
+use crate::raw::OpDelete;
+use crate::raw::build_abs_path;
+use crate::raw::oio;
 use crate::services::sqlite::core::SqliteCore;
 
 pub struct SqliteDeleter {
diff --git a/core/src/services/sqlite/writer.rs 
b/core/src/services/sqlite/writer.rs
index bda34b255..0b45a5c6e 100644
--- a/core/src/services/sqlite/writer.rs
+++ b/core/src/services/sqlite/writer.rs
@@ -15,9 +15,11 @@
 // specific language governing permissions and limitations
 // under the License.
 
+use crate::Buffer;
+use crate::EntryMode;
+use crate::Metadata;
 use crate::raw::oio;
 use crate::services::sqlite::core::SqliteCore;
-use crate::{Buffer, EntryMode, Metadata};
 
 pub struct SqliteWriter {
     core: std::sync::Arc<SqliteCore>,
diff --git a/core/src/services/swift/config.rs 
b/core/src/services/swift/config.rs
index 14fd0c58e..764fb156e 100644
--- a/core/src/services/swift/config.rs
+++ b/core/src/services/swift/config.rs
@@ -115,10 +115,10 @@ mod tests {
 
     #[test]
     fn from_uri_accepts_container_from_query() {
-        let uri = OperatorUri::new(
-            "swift://swift.example.com",
-            vec![("container".to_string(), "logs".to_string())],
-        )
+        let uri = OperatorUri::new("swift://swift.example.com", vec![(
+            "container".to_string(),
+            "logs".to_string(),
+        )])
         .unwrap();
 
         let cfg = SwiftConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/swift/core.rs b/core/src/services/swift/core.rs
index acff08ec6..9f665e195 100644
--- a/core/src/services/swift/core.rs
+++ b/core/src/services/swift/core.rs
@@ -280,30 +280,21 @@ mod tests {
             .map_err(new_json_deserialize_error)?;
 
         assert_eq!(out.len(), 3);
-        assert_eq!(
-            out.pop().unwrap(),
-            ListOpResponse::FileInfo {
-                bytes: 147,
-                hash: "5e6b5b70b0426b1cc1968003e1afa5ad".to_string(),
-                name: "test.txt".to_string(),
-                last_modified: "2023-11-01T03:00:23.147480".to_string(),
-                content_type: Some("text/plain".to_string()),
-            }
-        );
-
-        assert_eq!(
-            out.pop().unwrap(),
-            ListOpResponse::Subdir {
-                subdir: "fruit/".to_string()
-            }
-        );
-
-        assert_eq!(
-            out.pop().unwrap(),
-            ListOpResponse::Subdir {
-                subdir: "animals/".to_string()
-            }
-        );
+        assert_eq!(out.pop().unwrap(), ListOpResponse::FileInfo {
+            bytes: 147,
+            hash: "5e6b5b70b0426b1cc1968003e1afa5ad".to_string(),
+            name: "test.txt".to_string(),
+            last_modified: "2023-11-01T03:00:23.147480".to_string(),
+            content_type: Some("text/plain".to_string()),
+        });
+
+        assert_eq!(out.pop().unwrap(), ListOpResponse::Subdir {
+            subdir: "fruit/".to_string()
+        });
+
+        assert_eq!(out.pop().unwrap(), ListOpResponse::Subdir {
+            subdir: "animals/".to_string()
+        });
 
         Ok(())
     }
diff --git a/core/src/services/vercel_artifacts/config.rs 
b/core/src/services/vercel_artifacts/config.rs
index 864d9e7c1..60fc88b22 100644
--- a/core/src/services/vercel_artifacts/config.rs
+++ b/core/src/services/vercel_artifacts/config.rs
@@ -62,10 +62,10 @@ mod tests {
 
     #[test]
     fn from_uri_loads_access_token() {
-        let uri = OperatorUri::new(
-            "vercel-artifacts://cache",
-            vec![("access_token".to_string(), "token123".to_string())],
-        )
+        let uri = OperatorUri::new("vercel-artifacts://cache", vec![(
+            "access_token".to_string(),
+            "token123".to_string(),
+        )])
         .unwrap();
 
         let cfg = VercelArtifactsConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/vercel_blob/deleter.rs 
b/core/src/services/vercel_blob/deleter.rs
index 77f67c3b5..c71fb0a19 100644
--- a/core/src/services/vercel_blob/deleter.rs
+++ b/core/src/services/vercel_blob/deleter.rs
@@ -19,7 +19,8 @@ use std::sync::Arc;
 
 use super::core::VercelBlobCore;
 use crate::Result;
-use crate::raw::{OpDelete, oio};
+use crate::raw::OpDelete;
+use crate::raw::oio;
 
 pub struct VercelBlobDeleter {
     core: Arc<VercelBlobCore>,
diff --git a/core/src/services/webdav/config.rs 
b/core/src/services/webdav/config.rs
index de1c9c76a..d02f34858 100644
--- a/core/src/services/webdav/config.rs
+++ b/core/src/services/webdav/config.rs
@@ -102,13 +102,10 @@ mod tests {
 
     #[test]
     fn from_uri_ignores_endpoint_override() {
-        let uri = OperatorUri::new(
-            "webdav://dav.internal/data",
-            vec![(
-                "endpoint".to_string(),
-                "http://dav.internal:8080".to_string(),
-            )],
-        )
+        let uri = OperatorUri::new("webdav://dav.internal/data", vec![(
+            "endpoint".to_string(),
+            "http://dav.internal:8080".to_string(),
+        )])
         .unwrap();
 
         let cfg = WebdavConfig::from_uri(&uri).unwrap();
@@ -117,10 +114,10 @@ mod tests {
 
     #[test]
     fn from_uri_propagates_disable_copy() {
-        let uri = OperatorUri::new(
-            "webdav://dav.example.com",
-            vec![("disable_copy".to_string(), "true".to_string())],
-        )
+        let uri = OperatorUri::new("webdav://dav.example.com", vec![(
+            "disable_copy".to_string(),
+            "true".to_string(),
+        )])
         .unwrap();
 
         let cfg = WebdavConfig::from_uri(&uri).unwrap();
diff --git a/core/src/services/yandex_disk/config.rs 
b/core/src/services/yandex_disk/config.rs
index b128d6272..3dc1eef10 100644
--- a/core/src/services/yandex_disk/config.rs
+++ b/core/src/services/yandex_disk/config.rs
@@ -75,10 +75,10 @@ mod tests {
 
     #[test]
     fn from_uri_sets_root_and_preserves_token() {
-        let uri = OperatorUri::new(
-            "yandex-disk://disk/root/path",
-            vec![("access_token".to_string(), "secret".to_string())],
-        )
+        let uri = OperatorUri::new("yandex-disk://disk/root/path", vec![(
+            "access_token".to_string(),
+            "secret".to_string(),
+        )])
         .unwrap();
 
         let cfg = YandexDiskConfig::from_uri(&uri).unwrap();
diff --git a/core/src/types/buffer.rs b/core/src/types/buffer.rs
index 26c4110fa..5456bc097 100644
--- a/core/src/types/buffer.rs
+++ b/core/src/types/buffer.rs
@@ -860,10 +860,11 @@ mod tests {
             .map(|chunk| chunk.to_bytes())
             .collect::<Vec<Bytes>>();
 
-        assert_eq!(
-            chunks,
-            vec![Bytes::from("abc"), Bytes::from("def"), Bytes::from("g")]
-        );
+        assert_eq!(chunks, vec![
+            Bytes::from("abc"),
+            Bytes::from("def"),
+            Bytes::from("g")
+        ]);
 
         assert_eq!(Buffer::new().chunks(4).count(), 0);
     }
@@ -881,10 +882,11 @@ mod tests {
             .map(|chunk| chunk.to_bytes())
             .collect::<Vec<Bytes>>();
 
-        assert_eq!(
-            chunks,
-            vec![Bytes::from("ab"), Bytes::from("cd"), Bytes::from("ef"),]
-        );
+        assert_eq!(chunks, vec![
+            Bytes::from("ab"),
+            Bytes::from("cd"),
+            Bytes::from("ef"),
+        ]);
     }
 
     #[test]
diff --git a/core/src/types/builder.rs b/core/src/types/builder.rs
index 903459775..f9fa12908 100644
--- a/core/src/types/builder.rs
+++ b/core/src/types/builder.rs
@@ -37,8 +37,8 @@ use crate::*;
 ///
 /// ```
 /// # use anyhow::Result;
-/// use opendal::services::Fs;
 /// use opendal::Operator;
+/// use opendal::services::Fs;
 /// async fn test() -> Result<()> {
 ///     // Create fs backend builder.
 ///     let mut builder = Fs::default().root("/tmp");
@@ -81,8 +81,8 @@ impl Builder for () {
 /// # use anyhow::Result;
 /// use std::collections::HashMap;
 ///
-/// use opendal::services::MemoryConfig;
 /// use opendal::Operator;
+/// use opendal::services::MemoryConfig;
 /// async fn test() -> Result<()> {
 ///     let mut cfg = MemoryConfig::default();
 ///     cfg.root = Some("/".to_string());
@@ -101,10 +101,10 @@ impl Builder for () {
 /// # use anyhow::Result;
 /// use std::collections::HashMap;
 ///
-/// use opendal::raw::HttpClient;
-/// use opendal::services::S3Config;
 /// use opendal::Configurator;
 /// use opendal::Operator;
+/// use opendal::raw::HttpClient;
+/// use opendal::services::S3Config;
 ///
 /// async fn test() -> Result<()> {
 ///     let mut cfg = S3Config::default();
diff --git a/core/src/types/delete/deleter.rs b/core/src/types/delete/deleter.rs
index 4675b9751..c11ef6694 100644
--- a/core/src/types/delete/deleter.rs
+++ b/core/src/types/delete/deleter.rs
@@ -68,9 +68,9 @@ use crate::*;
 /// Deleter can be used as a Sink for file deletion:
 ///
 /// ```rust
-/// use futures::stream;
 /// use futures::Sink;
 /// use futures::SinkExt;
+/// use futures::stream;
 /// use opendal::Operator;
 /// use opendal::Result;
 ///
diff --git a/core/src/types/metadata.rs b/core/src/types/metadata.rs
index 901979dc4..53e642b8b 100644
--- a/core/src/types/metadata.rs
+++ b/core/src/types/metadata.rs
@@ -15,9 +15,10 @@
 // specific language governing permissions and limitations
 // under the License.
 
+use std::collections::HashMap;
+
 use crate::raw::*;
 use crate::*;
-use std::collections::HashMap;
 
 /// Metadata contains all the information related to a specific path.
 ///
diff --git a/core/src/types/operator/builder.rs 
b/core/src/types/operator/builder.rs
index 1954ea85d..c789fdc44 100644
--- a/core/src/types/operator/builder.rs
+++ b/core/src/types/operator/builder.rs
@@ -28,8 +28,8 @@ use crate::*;
 ///
 /// ```
 /// # use anyhow::Result;
-/// use opendal::services::Fs;
 /// use opendal::Operator;
+/// use opendal::services::Fs;
 /// async fn test() -> Result<()> {
 ///     // Create fs backend builder.
 ///     let builder = Fs::default().root("/tmp");
@@ -52,8 +52,8 @@ impl Operator {
     ///
     /// ```
     /// # use anyhow::Result;
-    /// use opendal::services::Fs;
     /// use opendal::Operator;
+    /// use opendal::services::Fs;
     /// async fn test() -> Result<()> {
     ///     // Create fs backend builder.
     ///     let builder = Fs::default().root("/tmp");
@@ -78,8 +78,8 @@ impl Operator {
     /// # use anyhow::Result;
     /// use std::collections::HashMap;
     ///
-    /// use opendal::services::MemoryConfig;
     /// use opendal::Operator;
+    /// use opendal::services::MemoryConfig;
     /// async fn test() -> Result<()> {
     ///     let cfg = MemoryConfig::default();
     ///
@@ -107,8 +107,8 @@ impl Operator {
     /// # use anyhow::Result;
     /// use std::collections::HashMap;
     ///
-    /// use opendal::services::Fs;
     /// use opendal::Operator;
+    /// use opendal::services::Fs;
     /// async fn test() -> Result<()> {
     ///     let map = HashMap::from([
     ///         // Set the root for fs, all operations will happen under this 
root.
@@ -350,9 +350,9 @@ impl Operator {
     /// ```no_run
     /// # use std::sync::Arc;
     /// # use anyhow::Result;
+    /// use opendal::Operator;
     /// use opendal::layers::LoggingLayer;
     /// use opendal::services::Memory;
-    /// use opendal::Operator;
     ///
     /// # async fn test() -> Result<()> {
     /// let op = Operator::new(Memory::default())?.finish();
@@ -387,12 +387,12 @@ impl Operator {
 /// ```
 /// use std::collections::HashMap;
 ///
-/// use opendal::layers::LoggingLayer;
-/// use opendal::layers::RetryLayer;
-/// use opendal::services;
 /// use opendal::Builder;
 /// use opendal::Operator;
 /// use opendal::Result;
+/// use opendal::layers::LoggingLayer;
+/// use opendal::layers::RetryLayer;
+/// use opendal::services;
 ///
 /// fn init_service<B: Builder>(cfg: HashMap<String, String>) -> 
Result<Operator> {
 ///     let op = Operator::from_iter::<B>(cfg)?
@@ -443,9 +443,9 @@ impl<A: Access> OperatorBuilder<A> {
     /// ```no_run
     /// # use std::sync::Arc;
     /// # use anyhow::Result;
+    /// use opendal::Operator;
     /// use opendal::layers::LoggingLayer;
     /// use opendal::services::Memory;
-    /// use opendal::Operator;
     ///
     /// # async fn test() -> Result<()> {
     /// let op = Operator::new(Memory::default())?
diff --git a/core/src/types/operator/mod.rs b/core/src/types/operator/mod.rs
index 3de1ea7c1..6d8faf185 100644
--- a/core/src/types/operator/mod.rs
+++ b/core/src/types/operator/mod.rs
@@ -30,7 +30,10 @@ pub use info::OperatorInfo;
 pub mod operator_futures;
 
 mod registry;
-pub use registry::{DEFAULT_OPERATOR_REGISTRY, OperatorFactory, 
OperatorRegistry};
+pub use registry::DEFAULT_OPERATOR_REGISTRY;
+pub use registry::OperatorFactory;
+pub use registry::OperatorRegistry;
 
 mod uri;
-pub use uri::{IntoOperatorUri, OperatorUri};
+pub use uri::IntoOperatorUri;
+pub use uri::OperatorUri;
diff --git a/core/src/types/operator/operator.rs 
b/core/src/types/operator/operator.rs
index 5f255ab52..0ff8ab20f 100644
--- a/core/src/types/operator/operator.rs
+++ b/core/src/types/operator/operator.rs
@@ -46,8 +46,8 @@ use crate::*;
 ///
 /// ```
 /// # use anyhow::Result;
-/// use opendal::services::Memory;
 /// use opendal::Operator;
+/// use opendal::services::Memory;
 /// async fn test() -> Result<()> {
 ///     // Build an `Operator` to start operating the storage.
 ///     let _: Operator = Operator::new(Memory::default())?.finish();
@@ -69,9 +69,9 @@ use crate::*;
 ///
 /// ```
 /// # use anyhow::Result;
+/// use opendal::Operator;
 /// use opendal::layers::RetryLayer;
 /// use opendal::services::Memory;
-/// use opendal::Operator;
 /// async fn test() -> Result<()> {
 ///     let op: Operator = Operator::new(Memory::default())?.finish();
 ///
@@ -102,11 +102,11 @@ use crate::*;
 /// into [`futures::AsyncRead`] or [`futures::Stream`] for broader ecosystem 
compatibility.
 ///
 /// ```no_run
+/// use opendal::Operator;
+/// use opendal::Result;
 /// use opendal::layers::LoggingLayer;
 /// use opendal::options;
 /// use opendal::services;
-/// use opendal::Operator;
-/// use opendal::Result;
 ///
 /// #[tokio::main]
 /// async fn main() -> Result<()> {
@@ -372,8 +372,8 @@ impl Operator {
     /// # use anyhow::Result;
     /// # use futures::io;
     /// # use opendal::Operator;
-    /// use opendal::options;
     /// use opendal::ErrorKind;
+    /// use opendal::options;
     /// #
     /// # async fn test(op: Operator) -> Result<()> {
     /// let res = op
@@ -1134,7 +1134,8 @@ impl Operator {
     /// # async fn test(op: Operator) -> Result<()> {
     /// let mut opts = CopyOptions::default();
     /// opts.if_not_exists = true;
-    /// op.copy_options("path/to/file", "path/to/file2", opts).await?;
+    /// op.copy_options("path/to/file", "path/to/file2", opts)
+    ///     .await?;
     /// # Ok(())
     /// # }
     /// ```
@@ -1577,9 +1578,9 @@ impl Operator {
     ///
     /// ```
     /// # use anyhow::Result;
-    /// use opendal::options;
     /// use opendal::EntryMode;
     /// use opendal::Operator;
+    /// use opendal::options;
     /// # async fn test(op: Operator) -> Result<()> {
     /// let mut entries = op
     ///     .list_options("path/to/prefix", options::ListOptions {
@@ -1705,9 +1706,9 @@ impl Operator {
     /// ```
     /// # use anyhow::Result;
     /// use futures::TryStreamExt;
-    /// use opendal::options;
     /// use opendal::EntryMode;
     /// use opendal::Operator;
+    /// use opendal::options;
     /// # async fn test(op: Operator) -> Result<()> {
     /// let mut lister = op
     ///     .lister_options("path/to/dir/", options::ListOptions {
diff --git a/core/src/types/operator/operator_futures.rs 
b/core/src/types/operator/operator_futures.rs
index 1a1276bb1..66a0d0f33 100644
--- a/core/src/types/operator/operator_futures.rs
+++ b/core/src/types/operator/operator_futures.rs
@@ -24,9 +24,10 @@ use std::future::IntoFuture;
 use std::ops::RangeBounds;
 use std::time::Duration;
 
+use futures::Future;
+
 use crate::raw::*;
 use crate::*;
-use futures::Future;
 
 /// OperatorFuture is the future generated by [`Operator`].
 ///
diff --git a/core/src/types/operator/registry.rs 
b/core/src/types/operator/registry.rs
index 4aedc77d7..fb788c47f 100644
--- a/core/src/types/operator/registry.rs
+++ b/core/src/types/operator/registry.rs
@@ -16,11 +16,17 @@
 // under the License.
 
 use std::collections::HashMap;
-use std::sync::{LazyLock, Mutex};
+use std::sync::LazyLock;
+use std::sync::Mutex;
 
-use crate::types::builder::{Builder, Configurator};
-use crate::types::{IntoOperatorUri, OperatorUri};
-use crate::{Error, ErrorKind, Operator, Result};
+use crate::Error;
+use crate::ErrorKind;
+use crate::Operator;
+use crate::Result;
+use crate::types::IntoOperatorUri;
+use crate::types::OperatorUri;
+use crate::types::builder::Builder;
+use crate::types::builder::Configurator;
 
 /// Factory signature used to construct [`Operator`] from a URI and extra 
options.
 pub type OperatorFactory = fn(&OperatorUri) -> Result<Operator>;
diff --git a/core/src/types/operator/uri.rs b/core/src/types/operator/uri.rs
index 4a4e3bed3..0eca5b06c 100644
--- a/core/src/types/operator/uri.rs
+++ b/core/src/types/operator/uri.rs
@@ -21,7 +21,9 @@ use http::Uri;
 use percent_encoding::percent_decode_str;
 use url::Url;
 
-use crate::{Error, ErrorKind, Result};
+use crate::Error;
+use crate::ErrorKind;
+use crate::Result;
 
 /// Parsed representation of an operator URI with normalized components.
 #[derive(Clone, Debug, Eq, PartialEq)]
@@ -268,10 +270,10 @@ mod tests {
 
     #[test]
     fn into_operator_uri_merges_extra_options() {
-        let uri = (
-            "s3://bucket/path?region=us-east-1",
-            vec![("region", "override"), ("endpoint", "https://custom";)],
-        )
+        let uri = ("s3://bucket/path?region=us-east-1", vec![
+            ("region", "override"),
+            ("endpoint", "https://custom";),
+        ])
             .into_operator_uri()
             .unwrap();
 
diff --git a/core/src/types/options.rs b/core/src/types/options.rs
index d6d81a5a8..ee5064eec 100644
--- a/core/src/types/options.rs
+++ b/core/src/types/options.rs
@@ -17,9 +17,11 @@
 
 //! Options module provides options definitions for operations.
 
-use crate::raw::{BytesRange, Timestamp};
 use std::collections::HashMap;
 
+use crate::raw::BytesRange;
+use crate::raw::Timestamp;
+
 /// Options for delete operations.
 #[derive(Debug, Clone, Default, Eq, PartialEq)]
 pub struct DeleteOptions {
diff --git a/rustfmt.toml b/rustfmt.toml
index 383062d6b..d39acfe67 100644
--- a/rustfmt.toml
+++ b/rustfmt.toml
@@ -23,4 +23,3 @@ reorder_imports = true
 # imports_granularity = "Item"
 # overflow_delimited_expr = true
 # trailing_comma = "Vertical"
-# where_single_line = true

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